diff --git a/challenges/constants/src/starter.rs b/challenges/constants/src/starter.rs
index 96d30d7..84095a0 100644
--- a/challenges/constants/src/starter.rs
+++ b/challenges/constants/src/starter.rs
@@ -1,4 +1,5 @@
 // Define a constant MAX_SIZE with a value of 100.
+// NOTE: Define the constant outside the main function
 // Your code here
 
 pub fn main() -> i32 {